使用Admin权限自动将mdf文件附加到DataBase [英] Automatically attach mdf file to DataBase with Admin permission
本文介绍了使用Admin权限自动将mdf文件附加到DataBase的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我使用此代码将mdf ldf文件附加到sql但是它创建了一个异常。
当我手动附加但是当我启动sql时发生此异常
管理员将消失。
I using this code for attach mdf ldf files to sql but it Create an exception.
this exception happen also when I do attach manually but when I start sql
as administrator will be disappear.
SqlConnection myConn = new SqlConnection(@"Server=\SQLEXPRESS;Integrated security=True;Initial Catalog=master");
string query1 = "select name from sys.databases where name='test'";
SqlDataAdapter da = new SqlDataAdapter(query1 , myConn);
DataTable dt = new DataTable();
myConn.Open();
da.Fill(dt);
if (dt.Rows.Count == 0)
{
string query2 = " CREATE DATABASE [database_name] ON" +
"( FILENAME ='test.mdf' )," +
"( FILENAME ='test_log.ldf' )" +
"FOR ATTACH ;";
SqlCommand myCommand = new SqlCommand(query2, myConn);
myConn.Close();
myConn.Open();
myCommand.ExecuteNonQuery();
MessageBox.Show("DataBase is Created Successfully", "MyProgram", MessageBoxButtons.OK, MessageBoxIcon.Information);
错误:
.. {无法打开物理文件\ test.mdf \。操作系统错误5:\5(无法检索此错误的文本。原因:15105)\。}
error:
..{"Unable to open the physical file \"test.mdf\". Operating system error 5: \"5(failed to retrieve text for this error. Reason: 15105)\"."}
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